| She was hospitalized with respiratory distress due to mediastinal masses compressing the airway. |
| The rupture involved all layers of the aortic wall, but the mediastinal pleura remained intact. |
| Explanations for the cytokeratin immunoreactivity include locally entrapped mediastinal pleura or pulmonary epithelium. |
| Gastric or enteric distension then may cause a shift of mediastinal structures. |
| One patient had extensive cervical, posterior mediastinal, and abdominal lymphadenopathy. |
| A chest radiograph showed mediastinal and subcutaneous emphysema and interstitial scarring. |
